water proof, anticorrision

Commodity: Prime-Painted galvalum coil  
Standard: JIS G3312  SGCC (equivalent to DX51D)
Thickness range: 0. 23mm to 1.2mm
Tolerance of thickness: +/-0. 03mm
Width range: 1000mm to 1250mm
Tolerance of width: +/-5. 00mm (aiming to +/-2. 00mm)
Coil weight: 1 - 3MT
Coil ID: 508mm
Packing: water proof paper, iron sheet, wooden plate (Seaworthy, in container)
Zinc coating: AZ60 – AZ120 g/m2
Surface: Zero spangle or regular spangle, no skin passed, chromate